Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of L1-L5 (lumbar vertebrae)
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
L1-L5 (lumbar vertebrae): The symbols L1 through L5 represent the five lumbar vertebrae. The lumbar vertebrae are situated between the thoracic vertebrae and the sacral vertebrae in the spinal column.
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